Live Weather & Forecast
Weather in Mililani
Hawaii, United States · Real-time conditions & 3-day outlook
22°C
Feels like 25°C
72°F / Feels 76°F
Light rain
Mililani, Hawaii
🌞 Daytime
Updated: 2026-04-13 11:15
Humidity
88%
Wind
10.8 km/h S
Wind Gust
15.2 km/h
Pressure
1018 mb
Visibility
16 km
UV Index
2.7
(Low)
Precipitation
0.02 mm
Cloud Cover
100%
Dew Point
18.8°C
Wind Degree
172°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
231.9 μg/m³
NO₂
4.3 μg/m³
O₃
44 μg/m³
SO₂
1.7 μg/m³
PM 2.5
9.2 μg/m³
PM 10
13.4 μg/m³
Weather Alerts 1
Met
· Severe · Future
Flood Watch issued April 12 at 3:00PM HST until April 13 at 6:00AM HST by NWS Honolulu HI
...FLOOD WATCH IN EFFECT FOR KAUAI OAHU MOLOKAI AND MAUI THROUGH 6 AM HST MONDAY... * WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Kauai, Oahu, Maui, Molokai, Lanai, Kahoolawe, and Niihau. * WHEN...Through 6 AM HST Monday morning. * IMPACTS...Flood prone roads and other low lying areas may be closed due to elevated runoff and overflowing streams. Urban areas may re...
You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
Today's Hourly Forecast
24-hour breakdown for Mililani, Hawaii
12 AM
20°
Patchy light drizzle
1 AM
20°
Patchy rain nearby
2 AM
20°
Patchy rain nearby
3 AM
20°
Light drizzle
4 AM
19°
Light rain
5 AM
19°
Light rain
6 AM
19°
Patchy rain nearby
7 AM
20°
Light rain shower
8 AM
20°
Patchy light drizzle
9 AM
20°
Patchy light drizzle
10 AM
20°
Patchy light drizzle
11 AM
22°
Light rain
12 PM
21°
Cloudy
1 PM
22°
Cloudy
2 PM
22°
Partly Cloudy
3 PM
22°
Partly Cloudy
4 PM
22°
Patchy rain nearby
5 PM
22°
Partly Cloudy
6 PM
22°
Cloudy
7 PM
22°
Cloudy
8 PM
21°
Cloudy
9 PM
22°
Cloudy
10 PM
21°
Partly Cloudy
11 PM
21°
Partly Cloudy
3-Day Forecast
Daily overview for Mililani, Hawaii
Today
Moderate rain
22°
/
19°
🌧️ 97% chance of rain
💧 Avg. humidity: 88%
💨 Max wind: 10.8 km/h
🌧️ Total precip: 5.73 mm
☀️ UV Index: 0.7
🌅 Sunrise: 06:14 AM
🌇 Sunset: 06:51 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Patchy rain nearby
25°
/
20°
🌧️ 89% chance of rain
💧 Avg. humidity: 80%
💨 Max wind: 6.8 km/h
🌧️ Total precip: 4.56 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:13 AM
🌇 Sunset: 06:51 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Patchy rain nearby
26°
/
21°
🌧️ 89% chance of rain
💧 Avg. humidity: 82%
💨 Max wind: 7.6 km/h
🌧️ Total precip: 3.51 mm
☀️ UV Index: 2.5
🌅 Sunrise: 06:12 AM
🌇 Sunset: 06:52 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Best Time to Visit Mililani
Plan your trip to Mililani, United States around the most favorable weather conditions.
Peak Season
November – April
Dry season — low humidity, clear skies, comfortable temperatures.
Shoulder Season
May, October
Fewer crowds, moderate prices, mild weather.
Off Season
June – September
Wet/monsoon season; heavier rainfall possible.
Frequently Asked Questions
What is the current weather in Mililani?
Current conditions in Mililani: Light rain, temperature 22°C, humidity 88%.
What is the best time to visit Mililani?
The best time to visit Mililani is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in Mililani?
Mililani is located at approximately 21.5° latitude. It has a tropical or subtropical climate with wet and dry seasons.
Does it rain a lot in Mililani?
The wettest period in Mililani is typically during June – September. Wet/monsoon season; heavier rainfall possible.
What should I pack for a trip to Mililani?
For visits to Mililani during November – April: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What country is Mililani in?
Mililani is located in United States, in the state of Hawaii.
What are the public holidays in Mililani in 2026?
View the 2026 public holidays for Mililani on our Holidays page.
What are the GPS coordinates used for the weather forecast in Mililani?
The weather forecast for Mililani uses coordinates 21.4508, -158.0096.